User`s guide

PERC 5 Features 15
PERC 5 Features
This section describes the features of the The Dell™ PowerEdge™ Expandable RAID Controller
(PERC) 5 family of controllers, such as the configuration options, disk array performance, hardware
specifications, redundant array of independent disks (RAID) management utilities, and operating
system software drivers.
PERC 5 Controller Features
This section describes the hardware configuration features for the PERC 5 controllers. Table 2-1
compares the configurations for the controllers.
Table 2-1. PERC 5 Controller Comparisons
Specification PERC 5/E Adapter PERC 5/i Adapter PERC 5/i Integrated
RAID Levels 0, 1, 5, 10, 50 0, 1, 5, 10, 50 0, 1, 5, 10, 50
Enclosures per Port Up to 3 enclosures N/A N/A
Ports 2 x4 external wide port 2 x4 internal wide port 2 x4 internal wide port
Processor Intel
®
IOP333 I/O
processor with Intel
XScale Technology
Intel IOP333 I/O
processor with Intel
XScale Technology
Intel IOP333 I/O
processor with Intel
XScale Technology
Battery Backup Unit Yes, Transportable Yes
a
Yes
Cache Memory 256 MB DDR2 cache
memory size
256 MB DDR2 cache
memory size
256 MB DDR2 cache
memory size
Cache Function Write-back, write-
through, adaptive
read ahead, non-read
ahead, read ahead
Write-back, write-
through, adaptive
read ahead, non-read
ahead, read ahead
Write-back, write-
through, adaptive
read ahead, non-read
ahead, read ahead
Maximum Number of
Drives per Array
Up to 32 drives per array Up to 32 drives per array Up to 32 drives per array
Maximum Number of
Arrays per Disk Group
Up to 8 arrays (in a
spanned configuration)
Up to 8 arrays (in a
spanned configuration)
Up to 8 arrays (in a
spanned configuration)
Dell_PERC5_UG.book Page 15 Tuesday, February 13, 2007 6:02 PM